Home / 87,214.26-130,817.28-51,210.77

Finding the Fourth Proportional to 87,214.26, 130,817.28 and 51,210.77

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Solution

The fourth proportional to 87,214.26, 130,817.28 and 51,210.77 is: 76,813.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,214.26 : 130,817.28 = 51,210.77 : x
  2. Step 2: Convert to fraction form
    87,214.26/130,817.28 = 51,210.77/x
  3. Step 3: Cross multiply
    87,214.26x = 130,817.28 × 51,210.77
  4. Step 4: Simplify right side
    87,214.26x = 6,699,253,638.11
  5. Step 5: Solve for x
    x = 6,699,253,638.11/87,214.26
  6. Step 6: Final answer
    x = 76,813.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.